Swords of light -- What is an energy blade? -- How would an energy blade work? -- Current tech -- What tech is needed? -- What could the future look like?
"In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the science and technology behind what it would take to make a real-life energy blade!"-- Provided by publisher.